FAO. (1991). World soil resources reports N.71.6: Agro-ecological land resources assessment for agricultural development planning. Rome: FAO.
Chicago-стиль цитированияFAO. World Soil Resources Reports N.71.6: Agro-ecological Land Resources Assessment for Agricultural Development Planning. Rome: FAO, 1991.
MLA-цитированиеFAO. World Soil Resources Reports N.71.6: Agro-ecological Land Resources Assessment for Agricultural Development Planning. Rome: FAO, 1991.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.